|Full name||Atanas Yosifov Bornosuzov|
|Date of birth||5 October 1979|
|Place of birth||Plovdiv, Bulgaria|
|Height||1.80 m (5 ft 11 in)|
|CSKA 1948 (assistant)|
|2015–2020||CSKA Sofia (youth team)|
|2020–||CSKA 1948 (assistant)|
|* Senior club appearances and goals counted for the domestic league only|
Bornosuzov started to play football in Maritsa Plovdiv. After spending the first two years of his career in the little clubs Sokol Komatevo, Olimpik Teteven and Dobrudzha Dobrich, in 1999 Bornosuzov signed a contract with the Champion of Bulgaria for 1998–99 Litex Lovech. For four years in Litex he earned 106 appearances, scored 18 goals and won the 2001 Bulgarian Cup.
In June 2006 he came to Levski Sofia. From January 2007 he played in FC Terek Grozny. On 1 July 2008 Bornosuzov signed with Al Salmiya from Kuwait. 3 months later, on 5 October, his compatriot Kiril Nikolov joined the club.
- Profile at Levskisofia.info (in English)